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Finding the Fourth Proportional to 306,010.80, 458,886.60 and 148,287.60

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Solution

The fourth proportional to 306,010.80, 458,886.60 and 148,287.60 is: 222,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,010.80 : 458,886.60 = 148,287.60 : x
  2. Step 2: Convert to fraction form
    306,010.80/458,886.60 = 148,287.60/x
  3. Step 3: Cross multiply
    306,010.80x = 458,886.60 × 148,287.60
  4. Step 4: Simplify right side
    306,010.80x = 68,047,192,586.16
  5. Step 5: Solve for x
    x = 68,047,192,586.16/306,010.80
  6. Step 6: Final answer
    x = 222,368.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.